#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	printf("hello world\n");
	printf("zbc\ndef");
	printf("%s says it is %d o'clock\n", "lisi", 10);
	printf("%s says it is %d o'clock\n", "cuihua", 24);
	printf("%lf\n", 123.45);

	int a = (int)3.14;
		printf("%d\n", a);

		char arr1[] = "abcdef";
		char arr2[] = { 'a','b','c' };
		printf("%s\n", arr1);
		printf("%s\n", arr2);
					
		printf("c:\test\bit\n");
		printf("%c\n", '\130');
		return 0;
}